[jdk26u] RFR: 8375598: VM crashes with "assert((labs(val) & 0xFFFFFFFF00000000) == 0 || dest == (address)-1) failed: must be 32bit offset or -1" when using too high value for NonNMethodCodeHeapSize

Mon Feb 9 21:41:33 UTC 2026

Hi all,

This pull request contains a backport of commit [1efb2982](https://github.com/openjdk/jdk/commit/1efb29829fdd526be55c0a00420980279d9824ee) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Guanqiang Han on 6 Feb 2026 and was reviewed by Martin Doerr and Vladimir Kozlov.

Thanks!

-------------

Commit messages:
 - Backport 1efb29829fdd526be55c0a00420980279d9824ee

Changes: https://git.openjdk.org/jdk26u/pull/41/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk26u&pr=41&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8375598
  Stats: 78 lines in 2 files changed: 55 ins; 10 del; 13 mod
  Patch: https://git.openjdk.org/jdk26u/pull/41.diff
  Fetch: git fetch https://git.openjdk.org/jdk26u.git pull/41/head:pull/41

PR: https://git.openjdk.org/jdk26u/pull/41